<?php /** * CodeIgniter * * An open source application development framework for PHP 5.2.4 or newer * * NOTICE OF LICENSE * * Licensed under the Open Software License version 3.0 * * This source file is subject to the Open Software License (OSL 3.0) that is * bundled with this package in the files license.txt / license.rst. It is * also available through the world wide web at this URL: * http://opensource.org/licenses/OSL-3.0 * If you did not receive a copy of the license and are unable to obtain it * through the world wide web, please send an email to * licensing@ellislab.com so we can send you a copy immediately. * * @package CodeIgniter * @author EllisLab Dev Team * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 1.0 * @filesource */ defined('BASEPATH') OR exit('No direct script access allowed'); /** * CodeIgniter Path Helpers * * @package CodeIgniter * @subpackage Helpers * @category Helpers * @author EllisLab Dev Team * @link http://codeigniter.com/user_guide/helpers/path_helper.html */ // ------------------------------------------------------------------------ if ( ! function_exists('set_realpath')) { /** * Set Realpath * * @param string * @param bool checks to see if the path exists * @return string */ function set_realpath($path, $check_existance = FALSE) { // Security check to make sure the path is NOT a URL. No remote file inclusion! if (preg_match('#^(http:\/\/|https:\/\/|www\.|ftp|[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3})#i', $path)) { show_error('The path you submitted must be a local server path, not a URL'); } // Resolve the path if (@realpath($path) !== FALSE) { $path = realpath($path); } elseif ($check_existance && ! is_dir($path) && ! is_file($path)) { show_error('Not a valid path: '.$path); } // Add a trailing slash, if this is a directory return is_dir($path) ? rtrim($path, DIRECTORY_SEPARATOR).DIRECTORY_SEPARATOR : $path; } } /* End of file path_helper.php */ /* Location: ./system/helpers/path_helper.php */